import store from '@/store';
import config from '@/config';
import { getToken, getChangeToken } from '@/utils/auth';
import errorCode from '@/utils/errorCode';
import { toast, showConfirm, tansParams, titleToast } from '@/utils/common';

let timeout = 10000;
const baseUrl = config.baseUrl;
let timer = null;

const request = config => {
	// 是否需要设置 token
	const isToken = (config.headers || {}).isToken === false;
	config.header = config.header || {};
	if (getToken() && !isToken) {
		let token = getToken();
		if (config.url == '/system/user/profile/updatePwd') {
			if (getChangeToken()) {
				token = getChangeToken();
			} else {
				token = getToken();
			}
		} else {
			token = getToken();
		}
		config.header['Authorization'] = 'Bearer ' + token;
	}
	// get请求映射params参数
	if (config.params) {
		let url = config.url + '?' + tansParams(config.params);
		url = url.slice(0, -1);
		config.url = url;
	}
	return new Promise((resolve, reject) => {
		uni.request({
			method: config.method || 'get',
			timeout: config.timeout || timeout,
			url: config.baseUrl || baseUrl + config.url,
			data: config.data,
			header: config.header,
			dataType: 'json',
		})
			.then(response => {
				let [error, res] = response;
				if (error) {
					toast('后端接口连接异常');
					reject('后端接口连接异常');
					return;
				}
				const code = res.data.code || 200;
				const msg =
					errorCode[code] || res.data.msg || errorCode['default'];
				if (code === 401) {
					if (timer) {
						clearTimeout(timer);
					}
					timer = setTimeout(() => {
						showConfirm(
							'登录状态已过期，您可以继续留在该页面，或者重新登录?',
						).then(res => {
							if (res.confirm) {
								store.dispatch('LogOut').then(res => {
									uni.reLaunch({ url: '/pages/login' });
								});
							}
						});
					}, 1500);

					reject('无效的会话，或者会话已过期，请重新登录。');
				} else if (code === 500) {
					// let list = []
					// list.push(msg)
					// titleToast(list)
					setTimeout(() => {
						toast(msg);
					}, 2000);

					reject(res.data);
				} else if (code !== 200) {
					toast(msg);
					reject(code);
				}
				resolve(res.data);
			})
			.catch(error => {
				let { message } = error;
				if (message === 'Network Error') {
					message = '后端接口连接异常';
				} else if (message.includes('timeout')) {
					message = '系统接口请求超时';
				} else if (
					message.includes('Request failed with status code')
				) {
					message =
						'系统接口' +
						message.substr(message.length - 3) +
						'异常';
				}
				toast(message);
				reject(error);
			});
	});
};

export default request;
